MagickCore 6.9.11-60
Convert, Edit, Or Compose Bitmap Images
resample-private.h
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1/*
2 Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
4
5 You may not use this file except in compliance with the License. You may
6 obtain a copy of the License at
7
8 https://imagemagick.org/script/license.php
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15
16 MagickCore image resampling private methods.
17*/
18#ifndef MAGICKCORE_RESAMPLE_PRIVATE_H
19#define MAGICKCORE_RESAMPLE_PRIVATE_H
20
21#include <string.h>
23
24#if defined(__cplusplus) || defined(c_plusplus)
25extern "C" {
26#endif
27
29 ResampleFilter **filter)
30{
31 ssize_t
32 i;
33
34 assert(filter != (ResampleFilter **) NULL);
35 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
36 if (filter[i] != (ResampleFilter *) NULL)
37 filter[i]=DestroyResampleFilter(filter[i]);
38 filter=(ResampleFilter **) RelinquishAlignedMemory(filter);
39 return(filter);
40}
41
43 const Image *image,const VirtualPixelMethod method,
44 const MagickBooleanType interpolate,ExceptionInfo *exception)
45{
46 ssize_t
47 i;
48
50 **filter;
51
52 size_t
53 number_threads;
54
55 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
56 filter=(ResampleFilter **) AcquireAlignedMemory(number_threads,
57 sizeof(*filter));
58 if (filter == (ResampleFilter **) NULL)
59 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
60 (void) memset(filter,0,number_threads*sizeof(*filter));
61 for (i=0; i < (ssize_t) number_threads; i++)
62 {
63 filter[i]=AcquireResampleFilter(image,exception);
64 if (method != UndefinedVirtualPixelMethod)
65 (void) SetResampleFilterVirtualPixelMethod(filter[i],method);
66 if (interpolate != MagickFalse)
67 SetResampleFilter(filter[i],PointFilter,1.0);
68 }
69 return(filter);
70}
71
72#if defined(__cplusplus) || defined(c_plusplus)
73}
74#endif
75
76#endif
VirtualPixelMethod
Definition cache-view.h:28
@ UndefinedVirtualPixelMethod
Definition cache-view.h:29
#define ThrowFatalException(severity, tag)
Definition exception-private.h:42
@ ResourceLimitFatalError
Definition exception.h:78
MagickBooleanType
Definition magick-type.h:203
@ MagickFalse
Definition magick-type.h:204
MagickExport void * AcquireAlignedMemory(const size_t count, const size_t quantum)
Definition memory.c:365
MagickExport void * RelinquishAlignedMemory(void *memory)
Definition memory.c:1120
static ResampleFilter ** DestroyResampleFilterThreadSet(ResampleFilter **filter)
Definition resample-private.h:28
static ResampleFilter ** AcquireResampleFilterThreadSet(const Image *image, const VirtualPixelMethod method, const MagickBooleanType interpolate, ExceptionInfo *exception)
Definition resample-private.h:42
MagickExport void SetResampleFilter(ResampleFilter *resample_filter, const FilterTypes filter, const double blur)
Definition resample.c:1255
MagickExport ResampleFilter * DestroyResampleFilter(ResampleFilter *resample_filter)
Definition resample.c:269
MagickExport ResampleFilter * AcquireResampleFilter(const Image *image, ExceptionInfo *exception)
Definition resample.c:206
MagickExport MagickBooleanType SetResampleFilterVirtualPixelMethod(ResampleFilter *resample_filter, const VirtualPixelMethod method)
Definition resample.c:1457
@ PointFilter
Definition resample.h:35
MagickExport MagickSizeType GetMagickResourceLimit(const ResourceType type)
Definition resource.c:842
@ ThreadResource
Definition resource_.h:33
Definition exception.h:103
Definition image.h:153
Definition resample.c:92